—______ is more important than people's safety and health.
—She is doing very well. There is______ to worry about.
—_____. She cleaned it all by herself.
—________. I hope to be a doctor because Norman Bethune is my hero.
—No. There isn't _______ about it.
—There is ______ funny in the magazine.
—I believe ________ is impossible to a hopeful heart.
—Well, the match is coming. There is ________ more important for him than practising.
— . I would like to work in the mountain area to help poor kids.
—Yes, so we must always do ________ to protect ourselves.